25195464 has 48 divisors (see below), whose sum is σ = 77987520. Its totient is φ = 7198560.

The previous prime is 25195447. The next prime is 25195481. The reversal of 25195464 is 46459152.

25195464 is a `hidden beast` number, since 2 + 5 + 195 + 464 = 666.

It is an interprime number because it is at equal distance from previous prime (25195447) and next prime (25195481).

It is a super-2 number, since 2×25195464² = 1269622812350592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24492 + ... + 25499.

It is an arithmetic number, because the mean of its divisors is an integer number (1624740).

Almost surely, 2^25195464 is an apocalyptic number.

25195464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25195464 is an abundant number, since it is smaller than the sum of its proper divisors (52792056).

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

25195464 is a wasteful number, since it uses less digits than its factorization.

25195464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010 (or 50003 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 25195464 is about 5019.5083424575. The cubic root of 25195464 is about 293.1618499536.

The spelling of 25195464 in words is "twenty-five million, one hundred ninety-five thousand, four hundred sixty-four".