1453642025 has 24 divisors (see below), whose sum is σ = 2069882400. Its totient is φ = 1001548800.

The previous prime is 1453642019. The next prime is 1453642027. The reversal of 1453642025 is 5202463541.

It is not a de Polignac number, because 1453642025 - 2⁴ = 1453642009 is a prime.

It is a super-2 number, since 2×1453642025² = 4226150273692201250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453641982 and 1453642000.

It is not an unprimeable number, because it can be changed into a prime (1453642027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133880 + ... + 144329.

It is an arithmetic number, because the mean of its divisors is an integer number (86245100).

Almost surely, 2^1453642025 is an apocalyptic number.

It is an amenable number.

1453642025 is a deficient number, since it is larger than the sum of its proper divisors (616240375).

1453642025 is a wasteful number, since it uses less digits than its factorization.

1453642025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278249 (or 278244 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1453642025 is about 38126.6576688804. The cubic root of 1453642025 is about 1132.7980428214.

The spelling of 1453642025 in words is "one billion, four hundred fifty-three million, six hundred forty-two thousand, twenty-five".