90262501 has 4 divisors (see below), whose sum is σ = 103157152. Its totient is φ = 77367852.

The previous prime is 90262481. The next prime is 90262553. The reversal of 90262501 is 10526209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10526209 = 19 ⋅554011.

It is a cyclic number.

It is not a de Polignac number, because 90262501 - 2¹¹ = 90260453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90262591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6447315 + ... + 6447328.

It is an arithmetic number, because the mean of its divisors is an integer number (25789288).

Almost surely, 2^90262501 is an apocalyptic number.

It is an amenable number.

90262501 is a deficient number, since it is larger than the sum of its proper divisors (12894651).

90262501 is a wasteful number, since it uses less digits than its factorization.

90262501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12894650.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 90262501 is about 9500.6579245861. The cubic root of 90262501 is about 448.5757455359.

The spelling of 90262501 in words is "ninety million, two hundred sixty-two thousand, five hundred one".