2545303401 has 27 divisors (see below), whose sum is σ = 3747170973. Its totient is φ = 1664883000.

The previous prime is 2545303399. The next prime is 2545303433. The reversal of 2545303401 is 1043035452.

The square root of 2545303401 is 50451.

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

2545303401 is a `hidden beast` number, since 254 + 5 + 3 + 0 + 3 + 401 = 666.

It is not a de Polignac number, because 2545303401 - 2¹ = 2545303399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2545304401) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10140526 + ... + 10140776.

Almost surely, 2^2545303401 is an apocalyptic number.

2545303401 is the 50451-st square number.

2545303401 is the 25226-th centered octagonal number.

It is an amenable number.

2545303401 is a deficient number, since it is larger than the sum of its proper divisors (1201867572).

2545303401 is an frugal number, since it uses more digits than its factorization.

2545303401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The cubic root of 2545303401 is about 1365.3579369655.

Adding to 2545303401 its reverse (1043035452), we get a palindrome (3588338853).

The spelling of 2545303401 in words is "two billion, five hundred forty-five million, three hundred three thousand, four hundred one".