2401554593025 has 81 divisors (see below), whose sum is σ = 5004067900611. Its totient is φ = 1097779142880.

The previous prime is 2401554592999. The next prime is 2401554593143. The reversal of 2401554593025 is 5203954551042.

The square root of 2401554593025 is 1549695.

It is a perfect power (a square), and thus also a powerful number.

2401554593025 is a `hidden beast` number, since 2 + 4 + 0 + 1 + 5 + 54 + 593 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 864559653489 + 1536994939536 = 929817^2 + 1239756^2 .

It is not a de Polignac number, because 2401554593025 - 2⁹ = 2401554592513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 162710596 + ... + 162725354.

Almost surely, 2^{2401554593025} is an apocalyptic number.

2401554593025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2401554593025 is the 1549695-th square number.

2401554593025 is the 774848-th centered octagonal number.

It is an amenable number.

2401554593025 is an abundant number, since it is smaller than the sum of its proper divisors (2602513307586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2401554593025 is an frugal number, since it uses more digits than its factorization.

2401554593025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29548 (or 14774 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 2401554593025 in words is "two trillion, four hundred one billion, five hundred fifty-four million, five hundred ninety-three thousand, twenty-five".